Introduction to Epidemiology

Epidemiologist are interested in learning about

• the causes of disease and how to cure or control them

• the frequency and geographic distribution of disease

• the causal relationships between diseases

• all of above

Diseases that are always present in a community, usually at a low more or less constant frequency are classified as having an ________________________ pattern.

• endemic

• epidemic

• pandemic

• outbreak

Which of the following statements is TRUE concerning epidemic diseases?

• They are usually very contagious

• They are usually not very contagious

• They usually appear and disappear seasonally

• At the end of an epidemic, a disease spreads at an increasing rate and then abruptly disappears

An epidemic that becomes unusually widespread and even global in its reach is referred to as a ___________.

• outbreak

• endemic

• pandemic

• hyperendemic

A disease vector is a(an) ___________.

• outbreak of a disease

• symptoms of a disease

• organism that transmits a disease

• environmental condition associated with a disease

Which of the following statements is TRUE?

• Infrastructure problem lead to the outbreak in any country.

• Malnutrition has been essentially eliminated in the United States

• Modern medicines has at times been responsible for causing health problems.

• Persistent undernourishment among children rarely results in serious health problems.

The term distribution in epidemiology deals with these EXCEPT

• frequency

• pattern

• time

• cause

Epidemiologist have created a model to help explain the multifaceted phenomena of disease transmission. What is the name of the model?

• epidemiology triad

• epidemiology square

• epidemiology circle

• epidemiology place

_______ is the cause of the disease. It can be bacteria, virus, protozoa, fungi, chemicals, radiation, heat, natural toxin.

• host

• agent

• time

• environment

These are the physical agents EXCEPT

• heat

• pressure

• environment

• electricity sound